Book-binding



(No Model.)

A o. BAUSMAN. BOOK BINDING.

No. 441,275. Patented Nov. 25, 1890.

UNITED STATES PATENT OFFICE.

ADAM CLARKE BAUSMAN, OF MINNEAPOLIS, MINNESOTA.

BOOK-BINDING.

SPECIFICATION forming part of Letters Patent No. 441,275, dated November 25, 1890.

Application filed June 16,1890. Serial No. 355,653. (No'modeL) .To all whom, it may concern:

at any page and lie flat. Blank-books, as is well' known, like most other books, when opened arch toward the middle and do not present a fiat surface upon which writing can be easily done.

It is the object of my improvements to avoid this objectionable arching of books and thereby enable them to be opened to present a practically flat surface, upon which writing can be conveniently done. plished by the devices illustrated in the accompanying drawings, in which Figure 1 shows in perspective a book containing the improvement; Fig. 2, an enlarged View of the back portion of the book partially opened.

In said drawings, the leaves of the book are designated by A, the covers by B, and the back by O. The book in Fig. 1 is shown open near its middle and lying flat upon the table D. The leaves A are connected together by sewing in the usual manner, and are glued and strapped with flexible leather a. The edges This object is accom-- are trimmed square, and in this instance are left in that condition instead of rounding the back, as is usual in book-binding. Theleaves when thus connected together are attached to the covers B in the usual or any convenient manner. The covers B are connected by a limp or flexible and comparatively thin back 0, that is capable of folding up in the manner indicated in Fig. 1, so that the book when opened at any page may lie almost flat upon a table or desk. are made flush with the edges of the covers, so that when the book is stood on end the leaves cannot sag from the back,'and thus injuriously affect the binding.

Having described my invention, What I claim is- 1. In abook, the combination,with the leaves The lower edges of the leaves andcovers, of a back adapted to fold, substantially as set forth.

2. A book having its binding-edge square, in combination with a back adapted to fold, substantially as set forth.

3. In a book, the combination, with the cov-- 

